buttress thread

[′bə·trəs ‚thred]

(design engineering)

A screw thread whose forward face is perpendicular to the screw axis and whose back face is at an angle to the axis, so that the thread is both efficient in transmitting power and strong.

Mentioned in ?

References in periodicals archive ?

V-thread pattern induces least von Mises stress, contact pressure and displacement compared with other thread patterns like square, buttress and revers buttress thread under vertical occlusal loading condition.

Investigations on various thread designs and materials for dental implants: a 3D finite element study

Threading macros--42 pages of them and variables for threading, in particular for buttress threads. With their asymmetrical cross-section, buttress threads are best to withstand the shock loads, vibration, and high stresses in rock crushers.

Making a better crusher: software magic and new machines pulverize once costly method

There's no worry about someone tearing out the page about buttress threads for "reference." Also, searchability in the digital version is easier, compared to the original handbook's indented chapter marks and tables of contents.

Stocking the digital toolbox: while "anything can be a hammer," digital tools such as cameras and other devices, are finding their way onto the shop floor

In addition, the higher application torques of modified buttress threads provides resistance to loosening and product leakage.

Child resistant closure

Fittings can be installed by one person, yet they are of extremely heavy design and include heavy-duty buttress threads so that the fitting may be tightened sufficiently to help prevent leaks under pressure.

Tank adapters

The CHD cylinder has buttress threads for bores over 3.5 in., with a variety of seal packages available.